Trolleybus 5729

2/7 rides a trolleybus
1/5 drive
the remaining 136 pupils walk.
How many pupils are there at school?

Correct answer:

n =  264.4444

Step-by-step explanation:


2/7n+1/5n+136 = n

2/7·n+1/5·n+136 = n

18n = 4760


n = 4760/18 = 264.44444444

n = 2380/9 ≈ 264.444444

Our simple equation calculator calculates it.



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